IM A TECHNICIAN APRENTICE AT A GMC DEALER, WE HAVE BEEN PRETTY SLOW TODAY SO I FIGURED ID TRY MY HAND AT GETTING ANSWERS TO QUESTIONS THAT MY MASTER TECH CANT.
I JUST FINISHED A COURSE THAT COVERS THE POWER FLOW OF ALL THE 4WD TRANSMISSIONS IN A FULL SIZE TRUCK. IVE BEEN LOOKING AT DISASSEMBLED VIEWS AND COMPARING VIEWS, AND I CANNOT FIND ANYTHING REGARDING THIS PARTICULAR QUESTION, NOT IN THE GM SERVICE INFORMATION EITHER. IN THE MAGNA POWERTRAIN MP 3010/3015 TRANSFER CASE, THERE IS NO CLEAR INFORMATION ON HOW THE TRANSFER CASE IS PUT INTO NEUTRAL. I KNOW THAT IT CAN BE PUT INTO NEUTRAL FOLLOWING A CERTAIN PROCEDURE BUT BY QUESTION IS THIS. MECHANICALLY, WHAT MOVES TO ALLOW THE TRANSFER CASE TO BE IN NEUTRAL? FROM ALL THE VIEWS AND DIAGRAMS I CAN SEE THE CASE HAS NO CLEAR WAY OF SEPARATING THE REAR OUTPUT SHAFT FROM THE INPUT SHAFT FROM INSIDE THE CASE. UNLESS THERE IS SOME MECHANISM THAT PULLS THE OUTPUT SHAFT OF THE TRANS AWAY FROM THE INPUT ON THE TRANSFER CASE OR A WAY FOR THE INPUT SHAFT TO BE PULLED OFF THE REAR OUTPUT SHAFT. ANYONE HAVE ANY CLUES?

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I don't see that a vehicle with either of these transmissions can be flat towed. Can you tell us what vehicle has this?